Cita APA (7a ed.)

Bierwag, G. O., Kaufman, G. G., & Khang, C. (1978). Duration and bond portfolio analysis: An overview. [s.n.].

Cita Chicago Style (17a ed.)

Bierwag, Gerald O., George G. Kaufman, y Chulsoon Khang. Duration and Bond Portfolio Analysis: An Overview. [S.l.]: [s.n.], 1978.

Cita MLA (9a ed.)

Bierwag, Gerald O., et al. Duration and Bond Portfolio Analysis: An Overview. [s.n.], 1978.